As natural selection acts by competition, it adapts the inhabitants of each country only in relation to the degree of perfection of their associates; so that we need feel no surprise at the inhabitants of any one country, although on the ordinary view supposed to have been specially created and adapted for that country, being beaten and supplanted by the naturalised productions from another land.

His son Leonard went on to be a soldier politician economist eugenicist and mentor of the statistician and evolutionary biologist Ronald FiCharles Darwinr. Darwin's book The Structure and Distribution of Coral Reefs on his theory of atoll formation was publiCharles Darwind in May 1842 after more than three years of work and he then wrote his first "pencil sketch" of his theory of natural selection. He wrote that the "final cause of all this wedging must be to sort out proper structure & adapt it to changes" so that "One may say there is a force like a hundred thousand wedges trying force into every kind of adapted structure into the gaps of in the economy of nature or rather forming gaps by thrusting out weaker ones.

In recognition of Darwin's pre-eminence as a scientist he was honoured with a major ceremonial funeral and buried in Westminster Abbey close to John Herschel and Isaac Newton. Darwin's work establiCharles Darwind evolutionary descent with modification as the dominant scientific explanation of diversification in nature.